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The energy released when one mole of ionic crystal is produced by the combination of the corresponding gaseous (+ve) and (-ve) ions brought from infinite distance is known as lattice energy.
The electronic configuration of a dipositive metal M 2+ is 2, 8, 14 and its atomic weight is 56 a.m.u. The number of neutrons in its nuclei would be: (1) 30 (2)32
hoe to calibrate potentio meter in lab ?
For an electron if the uncertainty in velocity is Δ v , the uncertainty in its position( Δ x ) is given by: (1) hm/ 4 Π Δ b (2) 4 Π / hm Π v
Nylon (polyamides): S ynthetic fibre forming polyamides are also termed as Nylons. Therefore, Nylon is well known in the textiles. Nylons are those polymers which contains a repeat
uses of light waves in chemical areas
What is rate of charge transfer
give one book name about electromatric effect?&author name?
Explain about Phosphprous and its allotrpes White phosphorus - crystalline solid P 4 Red phosphorus - polymeric solid Scarlet phosphorus Violet phosphorus
Q. Show the Structure of sulphuric acid? Theoretical considerations require that the reaction be carried out at low temperature and high pressure. However, at low temperature,
Classify each reaction and give the name of all the chemical formula involved for each number. 1. Na2CO3(s) + SiO2(s) ? Na2SiO3(l) + CO2(g) 2. 2 Mg(NO3)2(s) ? 2 Mg(NO2)2(s) + O2
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